Woodlyn - 1089022407Keratometer - 15S11/CL/14 Replacement Light Bulb : Manufacturer: GE Lighting, Voltage 120, Wattage 15, Lumens 150, Base E12, Shape S11, Overall Length (mm) 57.15, Life Hours 200, Color CLEAR, Filament C-7A Woodlyn - 1089022407Keratometer - 15S11/CL/14 Replacement Light Bulb